# -*- coding: UTF-8 -*-
import re

def ze():
    st="Tom's email is tom@qq.com.cn,and Coral's email is coral@163.com. But I use 54345wz@qq.com"
    pattren=re.compile(r'[A-Za-z0-9]+\@[A-Za-z0-9]+\.com')
    print(pattren.findall(st))

ze()
